package com.app.mapper.supermarket;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Component;

/**
 * @Description:
 * @Date: 2022/10/17 11:48
 */
@Mapper
@Component
public interface BaseMappers extends BaseMapper {
    /**
     * 判断存在
     * @param id
     * @return
     */
    int exists(int id);
}
